The 5MGE which is from the earlier Supra is a easier swap and I did not have to do any drive shaft mods. I also think it is more reliable than the 7M series.

85 4Runner, R151F, Marlins dual case, high steer,and frnt springs. Chevy rears, TJM bumper w/Ramsey winch, custom rear w/swing out tire carrier and rock rails. BudBuilt cross member w/ 2" drivetrain lift, 33" Boggers. 5:71 gears & F&R spool.